Mitsubishi MELSEC-Q QD77MS, User Manual

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Chapter 10 High-Level Positioning Control
10.6 Start program for high-level positioning control
10.6.1 Starting high-level positioning control
To execute high-level positioning control, a sequence program must be created to start
the control in the same method as for major positioning control.
The following shows the procedure for starting the "1st point block start data"
(regarded as block No. 7000) set in axis 1.
[QD77MS4 use]
1500
Y10
1501
PLC CPU
7000
1
ON
QD77MS
Input/output signal
Servo amplifier Buffer memory
Control by designated
positioning data
When carrying out a positioning start with the
next scan after a positioning operation is
completed, input signal X10 as an interlock so
that the start is carried out once the X10 signal
turns OFF after the Y10 signal turns OFF.
1)
3)
2)
4)
1) Set "7000" in " Cd. 3 Positioning start No.".
(This establishes that the control as "high-level positioning control" using block start data.)
2) Set the point No. of the "block start data" to be started. (In this case "1".)
3) Turn ON the start signal.
4) The positioning data set in the "1st point block start data" is started.
(Note): Refer to Chapter 5 for buffer memory address of QD77MS16.
Fig. 10.2 High-level positioning control start procedure